Isaac, Stephen, author
University Associates, 1981
Buku Teks
Hellier, Charles J., author
McGraw-Hill, 2001
Buku Teks
edited by Joseph S. Wholey
Jossey-Bass Publishers, 1994
Buku Teks
edited by Joseph S. Wholey, Harry P. Hatry and Kathryn E. Newcomer
Jossey-Bass, 1994
Buku Referensi
Springer Cham, 2019
eBooks